Hotdogging: "To perform in a conspicuous or often ostentatious manner"

As William poured that coffee he thought of every time over the past year that he'd heard "shizzle", "brah", "broheim", "straight dope", and "kerfumpcake." Although he had to admit that maybe "kerfumpcake" wasn't so much "slang" as it was "Hunter choking on a cupcake."